Research Article
Nonlinear Seismic Response Characteristics of CAP1400 Nuclear Island Structure on Soft Rock Sites
Table 2
Comparison of the first two order modes of the nuclear island structure model.
| Type | Nuclear island structure (m) | Calculation platform | Natural vibration frequency (Hz) | Height | Diameter | Thickness | 1st | Error | 2nd | Error |
| CNP1000 (Duan et al. [18]) | 48.00 | 40.00 | 1.10 | MSC. MARC | 4.34 | 1.88% | 4.38 | 2.23% | CNP1000 (Zhang et al. [19]) | 48.00 | 40.00 | 1.10 | SAP2000 | 4.48 | 5.16% | 4.52 | 0.89% | CPR1000 (Yi et al. [20]) | 66.68 | 37.00 | 0.90 | ANASYS | 4.22 | 0.94% | 4.28 | 4.46% | AP1000 (Wang and Yang [11]) | 83.36 | 44.20 | 1.00 | ABAQUS | 3.92 | 7.98% | 4.25 | 5.13% | AP1000 (Wang et al. [21]) | 83.37 | 44.2 | 0.912 | ANASYS | 4.04 | 5.16% | 4.04 | 9.82% | CAP1400 (Li et al. [22]) | 87.75 | 49.97 | 1.10 | ABAQUS | 3.99 | 6.34% | 4.35 | 2.90% | CAP1400 (this research) | 87.75 | 49.97 | 1.10 | ABAQUS | 4.26 | — | 4.48 | — |
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Note. Error = (calculation result of existing literature − calculation result in this research)/calculation result in this research × 100%.
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